<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Web Component组件化开发</title>
  <style></style>
</head>
<body>
  <my-com title="自定义标题"></my-com>
</body>
<script src="./dialog.js" type="module"></script>
</html>